| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1479.54 | USD | 20251016 |
| Shanghai Ronghe Chem | China national standards | MT | 1803.63 | USD | 20251016 |
| Shandong Longhui Chem | China national standards | MT | 1634.54 | USD | 20251016 |
| Shandong Longhui Chem | China national standards | MT | 1944.54 | USD | 20251016 |
| Shandong Zhiheng | China national standards | MT | 1549.99 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 1761.36 | USD | 20251016 |
| Shandong Laya Chem | China national standards | MT | 1451.36 | USD | 20251016 |
| Shandong Qiangsen Chem | China national standards | MT | 1478.98 | USD | 20251015 |
| Shanghai Ronghe Chem | China national standards | MT | 1802.94 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1549.4 | USD | 20251015 |